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1499257 Truck Machinery Parts Truck Engine Parts Fuel Injectors Are Used in The Fuel Systems
| MOQ: | 1 pieces |
| Price: | US $265.32-285.32 |
| Payment Method: | L/C,D/A,D/P,T/T,Western Union |
| OE No. | 1499257 |
| Type | Fuel Injector |
| Car Make | Diesel Car |
| Packing | Neutral Packing or Customize Packing |
| Warranty | 1 Year |
| MOQ | 1PC |
This high-pressure electronic fuel injection assembly (standard part code: 1499257, common interchangeable parts include 1499257PX, 1440578, 1387140, etc.) is precision-engineered for heavy-duty commercial trucks, city buses, and high-power diesel power platforms (such as DC12, DC11 series diesel engines). As a micro-precision control and execution unit in the high-pressure fuel supply system, it undertakes the critical task of rapidly metering and atomizing diesel fuel into ultra-fine particles within milliseconds. It is widely used in long-haul logistics tractors, heavy-duty dump trucks, and urban public transportation vehicles.
The product adheres to the design specifications of "high-pressure particle atomization and high-frequency rapid control." The core valve needle assembly and solenoid valve core undergo extremely high-precision geometric grinding and low-friction polishing, and the surface is covered with a high-density anti-coking hardened coating, which can effectively prevent early erosion caused by diesel impurities. After the replacement and installation, drivers and equipment operators will experience immediate improvements in operation: engine starts are crisp and clean, and vibrations and minor shaking at low idle speeds are completely eliminated; under full-load climbing or high-load cruising conditions, throttle control is tight and smooth, power is continuous and abundant, and black smoke from the exhaust is significantly reduced, resulting in excellent overall fuel economy.
Problems Solved: Addresses the issues of dimensional discrepancies in component fit, uneven fuel supply to cylinders, and high-pressure leakage risks that are easily caused by the complex processes of traditional OEM procurement, while avoiding the increased procurement costs from intermediaries.
Value Brought: Relying on a self-built standardized production base for precision manufacturing throughout the entire process, eliminating layers of intermediaries and ensuring consistent injection height in each cylinder, significantly reducing maintenance costs while providing a solid and reliable power guarantee for long-term equipment operation.
Problems Solved: Addresses common issues in low-end fuel injectors such as poor atomization, incomplete combustion due to sluggish solenoid valve response, engine misfires and vibrations, and wasted time and additional costs associated with secondary disassembly and adjustment.
Value Brought: Each injector undergoes fully automated digital testing before leaving the factory. Under simulated high-temperature and ultra-high-pressure conditions, the injection volume and return oil sealing are precisely calibrated across different pressure ranges, ensuring immediate usability upon installation and significantly reducing time and costs associated with equipment disassembly and adjustment.
Problems Solved: Addresses the significant downtime and contract default risks resulting from fuel system failures and breakdowns of commercial vehicles and engineering equipment due to lack of materials.
Value Brought: The warehousing center maintains a sufficient stock of best-selling specifications year-round. After order confirmation, a rapid response and priority packing and dispatch within 24-48 hours greatly shortens the logistics and delivery cycle, helping fleets and owners quickly restore equipment operational readiness and effectively avoiding downtime losses.
Problems Solved: Addresses issues such as premature wear of valve components, needle valve jamming, and excessive return oil caused by variations in diesel lubricity and particulate impurities in different regions.
Value Brought: The core valve assembly components utilize high-strength special bearing steel and undergo surface anti-corrosion hardening treatment, significantly improving fatigue resistance and wear resistance. It maintains stable performance even under harsh environments and prolonged high-load operation, avoiding the additional costs associated with frequent disassembly and repairs.
| Product Name | Heavy-Duty Diesel Engine High-Pressure Electronic Injector |
| Standard OE Part Number | 1499257 |
| Interchangeable Part Number | 1499257PX / 1440578 / 1387140 |
| Applicable Engine Models | DC12 / DC11 Series Diesel Engines |
| Fuel Supply System | High-Pressure Electronic Common Rail/Unit Injection System |
| Core Valve Core Material | Aerospace-grade hardened bearing steel, corrosion-resistant high-hardness special alloy steel |
| Needle Valve Surface Treatment | High-density, ultra-wear-resistant DLC hardened coating |
| Injection Orifice Micro-Engraving Technology | EDM high-precision electrical discharge micro-hole machining |
| Operating Temperature Range | -40°C to +125°C |
| Sealing Component Material | Original factory-grade high-temperature resistant, anti-swelling special fluororubber (FKM O-Rings) |
| Net Weight per Unit | Approx. 0.95 kg / piece |
| Factory Testing Standards | 100% Automated Full-Condition Bench Flow and Sealing Tests |
Cross-Regional Trunk Logistics and Long-Distance Transportation with Heavy-Duty Tractors: Tractors fully loaded with heavy cargo travel at high speeds for extended periods on cross-provincial logistics routes, placing extremely high demands on engine stability and torque output. When drivers notice weak acceleration, abnormally increased fuel consumption, or severe idling vibrations, replacing worn original parts and installing this high-precision injector ensures uniform and thorough high-pressure diesel atomization, a smooth and responsive throttle pedal, effectively reducing overall operating costs and ensuring efficient and stable long-distance transport.
Urban Public Transportation and High-Frequency Cruise Scenarios for Passenger Buses: Public buses undertake high-density transport tasks daily, with frequent starts and stops and long operating times. When vehicles experience starting difficulties, black smoke during acceleration, or power loss, on-site maintenance personnel promptly replace the entire set of high-quality injectors. Precise injection control ensures stable output even under extreme conditions, preventing engine stalling or circuit delays caused by uneven fuel supply, while also providing a comfortable ride.
